参数资料
型号: m789436
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-Bit Single-Chip Microcontrollers
中文描述: 8位单芯片微控制器
文件页数: 9/144页
文件大小: 1378K
代理商: M789436
CHAPTER 5 CLOCK GENERATOR
106
User’s Manual U15075EJ1V0UM00
(2)
Suboscillation mode register (SCKM)
SCKM selects a feedback resistor for the subsystem clock, and controls the oscillation of the clock.
SCKM is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets SCKM to 00H.
Figure 5-3. Format of Suboscillation Mode Register
Feedback resistor selection
000000
FRC
SCC
SCKM
Symbol
Address
After reset
R/W
FFF0H
00H
R/W
76543210
FRC
0
1
On-chip feedback resistor used
On-chip feedback resistor not used
Control of subsystem clock oscillator operation
SCC
0
1
Operation enabled
Operation disabled
Caution
Bits 2 to 7 must be set to 0.
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